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2. List of diver certification organizations - Wikipedia

   en.wikipedia.org/wiki/List_of_diver...

   These include certification in cave diving, commercial diving, recreational diving, technical diving and freediving. Diver certification agencies are organisations which issue certification of competence in diving skills under their own name, and which train, assess, certify and register the instructors licensed to present courses following the ...

3. Diver navigation - Wikipedia

   en.wikipedia.org/wiki/Diver_navigation

   Nav finder and underwater compass – basic underwater navigation tools Suunto SK-7 diving compass in aftermarket wrist mount with bungee straps. Diver navigation, termed "underwater navigation" by scuba divers, [1] is a set of techniques—including observing natural features, the use of a compass, and surface observations—that divers use to navigate underwater.

4. Diving activities - Wikipedia

   en.wikipedia.org/wiki/Diving_activities

   The equipment used for recreational diving is mostly open circuit scuba, though semi closed and fully automated electronic closed circuit rebreathers may be included in the scope of recreational diving. Risk is managed by training the diver in a range of standardised procedures and skills appropriate to the equipment the diver chooses to use ...

5. Diver training - Wikipedia

   en.wikipedia.org/wiki/Diver_training

   Diving skills can be grouped by skills relating to the mode of diving – freediving, scuba, surface supplied or saturation diving – and whether the skill is a standard skill used in everyday diving, an emergency skill to keep oneself alive when something goes wrong, or a rescue skill to be used in the attempt to assist another diver in ...

6. List of diving environments by type - Wikipedia

   en.wikipedia.org/wiki/List_of_diving...

   An overhead or penetration diving environment is where the diver enters a space from which there is no direct, purely vertical ascent to the safety of breathable atmosphere at the surface. Cave diving, wreck diving, ice diving and diving inside or under other natural or artificial underwater structures or enclosures are examples. The ...

7. Recreational diver training - Wikipedia

   en.wikipedia.org/wiki/Recreational_diver_training

   Scuba diving education levels as used by ISO, PADI, CMAS, SSI and NAUI Basic diving skills training in a swimming pool. Recreational diver training is the process of developing knowledge and understanding of the basic principles, and the skills and procedures for the use of scuba equipment so that the diver is able to dive for recreational purposes with acceptable risk using the type of ...

8. Underwater diving environment - Wikipedia

   en.wikipedia.org/wiki/Underwater_diving_environment

   Underwater diving is the human practice of voluntarily descending below the surface of the water to interact with the surroundings, for various recreational or occupational reasons, but the concept of diving also legally extends to immersion in other liquids, and exposure to other hyperbaric pressurised environments.

9. Surface-supplied diving skills - Wikipedia

   en.wikipedia.org/wiki/Surface-supplied_diving_skills

   The IDSA training standard comprises 5 modules, of which Module A is theory common to all modes of diving, Module B is commercial scuba, Module C is inshore air diving to 30 msw and associated underwater work, Module D is surface supplied offshore air diving to 50 msw using a wet bell and hot water suit, and Module E is closed bell mixed gas ...